package com.sky.apsect;

import com.sky.annotation.AutoFill;
import com.sky.constant.AutoFillConstant;
import com.sky.context.BaseContext;
import com.sky.enumeration.OperationType;
import lombok.extern.slf4j.Slf4j;
import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Before;
import org.aspectj.lang.annotation.Pointcut;
import org.aspectj.lang.reflect.MethodSignature;
import org.springframework.stereotype.Component;

import java.lang.reflect.Method;
import java.time.LocalDateTime;

/**
 * ClassName: AutoFillAspect
 * Package: com.sky.apsect
 * Description:
 *
 * @Author JJQ
 * @create 2024/3/18 0018 21:40
 * @Version 1.0
 */
@Aspect
@Component
@Slf4j
public class AutoFillAspect {

    @Pointcut("execution(* com.sky.mapper.*.*(..)) && @annotation(com.sky.annotation.AutoFill)")
    public void autoFillPointCut(){}

    @Before("autoFillPointCut()")
    public void autoFill(JoinPoint joinPoint) throws NoSuchMethodException {
        MethodSignature methodSignature = (MethodSignature) joinPoint.getSignature();
        AutoFill autoFill = methodSignature.getMethod().getAnnotation(AutoFill.class);
        OperationType operationType = autoFill.value();

        Object[] args = joinPoint.getArgs();

        if(args == null || args.length == 0){
            return;
        }

        Object entity = args[0];
        LocalDateTime now = LocalDateTime.now();
        Long curId = BaseContext.getCurrentId();
        Class<?> clazz = entity.getClass();
        if (operationType == OperationType.INSERT){
            try {
                Method setCreateTime =  clazz.getDeclaredMethod(AutoFillConstant.SET_CREATE_TIME, LocalDateTime.class);
                Method setCreateUser = clazz.getDeclaredMethod(AutoFillConstant.SET_CREATE_USER, Long.class);
                Method setUpdateTime = clazz.getDeclaredMethod(AutoFillConstant.SET_UPDATE_TIME, LocalDateTime.class);
                Method setUpdateUser = clazz.getDeclaredMethod(AutoFillConstant.SET_UPDATE_USER,  Long.class);

                setCreateTime.invoke(entity, now);
                setCreateUser.invoke(entity, curId);
                setUpdateTime.invoke(entity, now);
                setUpdateUser.invoke(entity, curId);
            } catch (Exception e){
                log.error(e.toString());
            }
        }else if(operationType == OperationType.UPDATE){
            try {
                Method setUpdateTime = clazz.getDeclaredMethod(AutoFillConstant.SET_UPDATE_TIME, LocalDateTime.class);
                Method setUpdateUser = clazz.getDeclaredMethod(AutoFillConstant.SET_UPDATE_USER, Long.class);
                setUpdateTime.invoke(entity, now);
                setUpdateUser.invoke(entity, curId);
            } catch (Exception e){
                e.printStackTrace();
            }
        }
    }
}
